void VS_MAIN( float3 position : POSITION,
			  float2 texCoord : TEXCOORD0,
				  
			out float4  oPosition : POSITION,
			out float2 oTexCoord : TEXCOORD0,
				  
			uniform matrix worldViewProj
			)
{
	float4 pos = float4(position, 1);
	oPosition = mul(pos, worldViewProj);
	//oPosition.w = 1;
	oTexCoord = texCoord;
}